Once within the cerebral cortex, a mixed pathway of magnocellular and parvocellular cells is important for ____

At the end of a meeting, behavior genetics researchers agree to have a press conference to explain some of their findings. One reporter wants to know what the researchers consider the most significant general finding in recent years

What are the researchers likely to say in answer to the reporter's question? a) "The major influences on development occur immediately at and after birth." b) "We now know that heredity determines abnormal but not normal behavior patterns." c) "Our research shows that children in the same family experience environmental factors differently." d) "It appears that school standards are the most important determinant of development, not genetic factors."

The fatty substance surrounding large axons is called:

A) axons B) synapses C) terminal buttons D) the ranvier sheath E) the myelin sheath